Your patient, Mr. H was intubated and ET tube placement was…

Your patient, Mr. H was intubated and ET tube placement was confirmed. You note that the 23-cm mark on the ET tube is at the level of Mr. H’s teeth and is connected to the ventilator with the following settings:            Tidal Volume= 700 ml            Rate=   14            Fio2= 60 %            PEEP= 10cm            Mode= SIMV            ABGs are obtained 30 minutes later after Mr. H is placed on the ventilator.            pH= 7.31            PaCo2= 65 mmHg            PaO2= 80 mmHg            HC03= 20            O2 saturation – 90%Which ventilator change do you anticipate based on your analysis of the above ABG?